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Consider the following reaction at 1000^...

Consider the following reaction at `1000^(@)C`
`(A) Zn_((s))+(1)/(2)O_(2(s))+ZnO_(s),DeltaG^(0)=-360kJ"mole"^(-1)`
(B) `(B) Cn_((s))+(1)/(2)O_(2(g))to CO_(s),DeltaG^(0)=-460kJ"mole"^(-1)`
choose the correct statement at `1000^(0)C`

A

zinc can be oxidised by carbon monoxide

B

ZnO can be reduced by graphite.

C

both a and b are true.

D

both a and b are false.

Text Solution

Verified by Experts

The correct Answer is:
B
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Consider the following reaction at 1000^(@)C (A) Zn (s) + (1)/(2) O_(2) (g) rarr ZnO(s), Delta G^(Ө) = - 360 kJ mol^(-1) (B) C (s) + (1)/(2) O_(2) (g) rarr OO(g), Delta G^(Ө) = - 460 kJ mol^(-1) Choose the correct statement at 1000^(@)C

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